CN202266572U - Sealed assembly structure - Google Patents
Sealed assembly structure Download PDFInfo
- Publication number
- CN202266572U CN202266572U CN2011203548274U CN201120354827U CN202266572U CN 202266572 U CN202266572 U CN 202266572U CN 2011203548274 U CN2011203548274 U CN 2011203548274U CN 201120354827 U CN201120354827 U CN 201120354827U CN 202266572 U CN202266572 U CN 202266572U
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- Prior art keywords
- hole
- turncap
- assembly structure
- base
- sealing assembly
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- Expired - Lifetime
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Abstract
The utility model relates to the field of medical equipment products and in particular relates to a sealed assembly structure. The sealed assembly structure comprises a suction ball, a turncap, a connection sheet, a suction cover and a base, wherein an open pore is formed in the bottom end of the suction ball; an annular clamping buckle matched with the open pore in a clamping manner is arranged at the upper end of the turncap; a positioning hole is formed in the connection sheet; a third through hole is formed in the middle of the suction cover; an annular boss is arranged on the rim of the inner side of the third through hole; an annular groove matched with the annular boss in a clamping manner is formed in the rim of the base; an internal screw thread hole is formed in the middle of the base; and a positioning pillar matched with the positioning hole is arranged between the annular groove and the internal screw thread hole. The sealed assembly structure provided by the utility model is convenient to mount, is high in sealing property, and cannot move during use, so that the mounting convenience and structural sealing property of a product are improved.
Description
Technical field
The utility model relates to the medical equipment product scope, is specifically related to a kind of sealing assembly structure.
Background technique
The sealing assembly structure extensively applies to every field, in medical apparatus and instruments, also is widely used; Wherein, the utilization of sealing configuration in some band gases or similar vacuum equipments is more and seem even more important; Because the good and bad performance that will directly have influence on equipment of sealing structure property.The sealing assembly structure of on market, using at present much adopts similar sphere contact fixed structure, or direct compression type fixed structure; Sphere contact fixed structure in use is easier to get loose, also can be less relatively so plant the structure use; Directly the compression type fixed structure is very high to the requirement of structural member planeness, if there is the planeness of a part not reach requirement, the problem in using process gas leakage will be difficult to avoid so.Therefore, just caused the reduction of product ease of use, reliability of products to reduce, cost is increased.
Summary of the invention
For overcoming above-mentioned defective, the purpose of the utility model promptly is to provide a kind of sealing assembly structure.
A kind of sealing assembly structure of the utility model mainly comprises: inhale ball, turncap, connecting sheet, suction cover and base; The bottom of wherein said suction ball has a perforate; The upper end of said turncap and this perforate are sealed and matched; The centre of said suction cover is provided with third through-hole, is provided with an annular boss in said third through-hole inside edge; Be provided with an annular groove at the edge of said bottom, this annular groove and said annular boss carry out snap fit, and suction cover is carried out sealing and fixing.
Further, the upper end of said turncap is provided with annular buckle; Said perforate and said annular snap are tipped capable snap fit in and will be inhaled ball and carry out sealing and fixing.
Further, a side of said connecting sheet is provided with a groove, is provided with second through hole in the centre of this groove, is provided with a plurality of positioning holes at the side of said second through hole; Be provided with an interior threaded hole in the centre of said base, between said annular groove and interior threaded hole, be provided with a plurality of locating columns; These a plurality of locating columns match with a plurality of positioning holes on the connecting sheet, and base is fixed; The lower end of said turncap is provided with an outside thread, and the outside thread of said turncap lower end passes said second through hole and said interior threaded hole is connected, and base is fixed.
Further, comprise that also one has the pad of first through hole, the lower end of said turncap is worn said first through hole and is connected fixingly with said base, and pad is arranged between turncap and the connecting sheet.
Further, comprise that also one has the electrode slices of filamentary silver, this electrode slices is provided with the lower end with base; Next door at the locating column of said base is provided with fourth hole, and this filamentary silver passes said fourth hole and is welded on the said connecting sheet.
Further, the opposite side of said connecting sheet also is provided with the line pin holes of leading, and the groove on the said connecting sheet is a cylinder shape groove.
Further, in the set inside one regular hexagon hole of said turncap upper end, the set inside of lower end has a cylindrical hole, and this cylindrical hole is connected with this regular hexagon hole.
Further, be provided with a polygonal hole at a side of said base, the air in the said suction ball is discharged and suction through said regular hexagon through hole, cylindrical hole and said polygonal hole.
Further, the snap fit of the annular buckle of perforate on the said suction ball and said turncap upper end is an interference fit, and the scope of value of interference fit is between the 2mm to 3mm.
Further, the snap fit of said annular boss and annular groove is an interference fit, and the scope of value of interference fit is between the 0.1mm to 0.5mm.
The sealing assembly structure that the utility model provides has easy for installation, good airproof performance, and in use be difficult for producing the characteristics of displacement, improved the property easy for installation of product and the sealing of structure.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is a kind of decomposition texture schematic representation that seals assembly structure of the utility model.
Fig. 2 looks schematic representation for a kind of master who seals assembly structure of the utility model.
Fig. 3 is a kind of cross-sectional schematic along A-A that seals Fig. 2 of assembly structure of the utility model.
Fig. 4 is a kind of enlarged diagram that seals the suction cover of assembly structure of the utility model.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1 to Fig. 4, the technological scheme of the utility model technical solution problem is: inhale ball 1, turncap 2, pad 3, connecting sheet 4, suction cover 5, base 6, electrode slices 7; Combine and form a kind of sealing assembly structure (shown in Fig. 1 to 4).
A kind of element characteristics that seals assembly structure is illustrated as: the external form of said suction ball 1 is similar to be elliposoidal and middle for hollow, and is provided with a perforate 11 in the bottom of said suction ball, and said perforate 11 is circular; The material of wherein said suction ball is silica gel, flexiplastic and rubber-like other materials; Be provided with a plurality of annular buckles 21 in the upper end of said turncap 2, said annular buckle 21 matches (as shown in Figure 3) with the perforate 11 of said suction ball 1, is used for said suction ball 1 is carried out sealing and fixing with turncap 2.Specific operation are: will inhale the upper end that turncap 2 is inserted in the perforate 11 on the ball 1, the annular buckle 21 that said turncap 2 upper ends are provided with carries out clamping with said perforate 11, promptly accomplishes and assembles with the sealing of turncap 2 inhaling ball 1; Wherein the set inside in turncap 2 upper ends has a regular hexagon hole 22, will match with fitter spanner in said regular hexagon hole 22, because of present most standard spanner all is interior hexagonal, and the assembling for ease so both match; And be provided with a cylindrical hole 23 in the lower end of turncap 2; This cylindrical hole 23 is connected with said regular hexagon hole 22; The inside that is to say turncap 2 is hollow, and the boring structure of this turncap 2 is convenient in use will to inhale ball 1 inner air and outside air and is carried out the effect of gas exchange; The diameter in wherein said regular hexagon hole also is provided with outside thread 24 more than or equal to the diameter of said cylindrical hole 23 in cylindrical hole 23 outsides of said turncap 2 lower ends; Said outside thread 24 uses with the screw-internal thread fit on the base.The centre of said pad 3 is provided with first through hole 31, and this first through hole 31 is passed in the lower end of said turncap 2, so that make turncap 2 and base 6 better carry out fastening.One side of said connecting sheet 4 is provided with the line pin holes 41 of leading, and this line pin holes 41 of leading is to be used for fixing to lead line and through the line that leads signal is transferred to main frame; Opposite side at said connecting sheet 4 is set to a cylinder shape groove 42; The centre of this cylinder shape groove 42 is provided with second through hole 44, near said second through hole 44, is provided with cylindricality aperture 45; This cylindricality aperture 45 is the connection welding of filamentary silver 71 and connecting sheet 4 on the electrode slices 7, and the filamentary silver 71 that is about to electrode slices 7 welds with connecting sheet 4, to carry out the transmission of signal; Side at second through hole 44 of said cylinder shape groove 42 also is provided with a plurality of positioning holes 43; This positioning hole cooperates the locating column on the base to use, and the phenomenon that is shifted can not occur during assembling, causes the filamentary silver fracture on the electrode slices, and signal is cut off problem, and the outside thread 24 on the said turncap 2 passes said second through hole 44 and is connected to a fixed with base 6.The centre of said suction cover 5 is provided with third through-hole 51; Said third through-hole 51 is used for the said cylinder shape groove 42 of empty avoiding; Be provided with an annular boss 52 (as shown in Figure 4) at said third through-hole 51 inboard edges, the annular groove of the setting use that matches on said annular boss 52 and the base 6; The material of wherein said suction cover 5 is identical with the material of inhaling ball.Edge on base 6 is provided with an annular groove 61, and this annular groove 61 matches with annular boss on the said suction cover, is used for base 6 is fixed; Also be provided with an interior threaded hole 62 in the centre of base, this interior threaded hole 62 is used with the outside thread 24 of the lower end of turncap 2, is used for turncap 2 is fixed; Peripheral position between annular groove 61 and interior threaded hole 62 is provided with a plurality of locating columns 63, and the use that matches with the positioning hole 43 of said connecting sheet 4 of this locating column 63 is used for connecting sheet 4 is fixed; Be provided with fourth hole 64 on the next door of locating column 63, the filamentary silver 71 on the said electrode slices 7 passes this fourth hole 64 and this filamentary silver 71 is welded on the connecting sheet 4; Side at said base 6 is provided with a polygonal hole 65, and this polygonal hole 65 is used to carry out gas exchange, and the air that promptly should inhale in the ball is discharged and sucked through said regular hexagon through hole, cylindrical hole and said polygonal hole.Electrode slices 7 is provided with a filamentary silver 71, and this filamentary silver 71 is used for being transferred to connecting sheet 4 to the signal that electrode slices collects, and signal is transferred out (shown in Fig. 1 to 4) through the line pin holes 41 of leading on the connecting sheet 4 then.
A kind of assembly method that seals assembly structure is: at first electrode slices 7 is sticked with glue technology and be fixed on the base 6, fixedly the time, need make the filamentary silver 71 on the electrode slices 7 pass the fourth hole 64 on the base 6; Then, carry out matching and fixing to annular groove 61 on annular boss on the suction cover 5 52 and the base 6, be about to annular boss and be connected in the annular groove, reach the purpose of fixed base 6; Again the cylinder shape groove 42 that is provided with on the connecting sheet 4 is placed in the third through-hole 51 of suction cover 5; Positioning hole on the connecting sheet 4 43 is pressed in the locating column 63 on the base 6; Again filamentary silver 71 is welded on the connecting sheet 4, again pad 3 place connecting sheet 4 directly over, the outside thread 24 of turncap 2 lower ends is passed second through hole 44 on first through hole 31 and the connecting sheet 4 of pad 3; Locking onto turncap 2 on the base with the spanner of interior hexagonal regular hexagon hole 22 through turncap; Inhale ball 1 at last and carry out sealing and fixing through round hole on it 11 and turncap 2, promptly the annular buckle 21 on the turncap 2 carries out clamping with this round hole 11, will inhale ball 1 and turncap sealing and fixing; So far just accomplished the installation (as shown in Figure 2) of sealing assembly structure.
A kind of operating method that seals assembly structure is: when the user when using chest electrode to measure ecg wave form; Ball is inhaled in pinching makes inner air flow to the polygonal hole 65 that is provided with on the base through regular hexagon hole 22 and cylindrical hole 23, air is expelled to through polygonal hole 65 inhales the ball outside; Place suction cover 5 chest of the measured then; Unclamp again and inhale ball 1, so just changed the inside and outside pressure of inhaling ball 1, make it to occur pressure difference; This moment, the existence because of this pressure difference made suction cover can be adsorbed in tested chest reliably; So electrocardiosignal transfers on the connecting sheet 4 through electrode slices 7, the line pin holes 41 of leading through connecting sheet 4 links to each other with the line that leads at last, promptly through the line that leads electrocardiosignal is transferred on the Device Host.
The innovative point of the utility model is: 1, the annular buckle that is provided with on the turncap with inhale the round hole 11 that is provided with on the ball and carry out interference fit and use, be about to inhale ball and turncap seals assembling; Wherein the optimum scope of this magnitude of interference should be set between the 2mm to 3mm, and the most suitable scope of this magnitude of interference can guarantee in use to be difficult for getting loose at the suction ball, also has better seal property simultaneously.The annular groove 61 of the setting use that matches on the annular boss 52 that is provided with on the suction cover 5 and base 6; Can preferably base 6 and suction cover 5 be carried out sealing and fixing; Make base 6 be difficult for producing skew; The outside thread that is provided with in the turncap lower end simultaneously and the internal thread of base setting are wanted to be used, and make the seal between each element better, are difficult for producing gas leakage; This structure has easy for installation, and good airproof performance in use is difficult for producing the characteristics of displacement; Certain said annular boss and annular groove also can adopt interference fit to assemble, and the most suitable scope of its magnitude of interference is 0.1 to 0.5mm; If the magnitude of interference of this position can cause sealing not so good very little, it is not in place that magnitude of interference can cause in assembly process annular groove to be pressed too much, is easy to generate to be uneven, and makes the sealing of influence with total.Therefore, adopt this a kind of sealing assembly structure, improved the sealing of product property easy for installation and structure.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a sealing assembly structure comprises and inhales ball, turncap, connecting sheet, suction cover and base; The bottom that it is characterized in that said suction ball has a perforate; The upper end of said turncap and this perforate are sealed and matched; The centre of said suction cover is provided with third through-hole, is provided with an annular boss in said third through-hole inside edge, is provided with an annular groove at the edge of said bottom; This annular groove and said annular boss carry out snap fit, and suction cover is carried out sealing and fixing.
2. a kind of sealing assembly structure as claimed in claim 1 is characterized in that the upper end of said turncap is provided with annular buckle; Said perforate and said annular snap are tipped capable snap fit in and will be inhaled ball and carry out sealing and fixing.
3. a kind of sealing assembly structure as claimed in claim 2 is characterized in that a side of said connecting sheet is provided with a groove, is provided with second through hole in the centre of this groove, is provided with a plurality of positioning holes at the side of said second through hole; Be provided with an interior threaded hole in the centre of said base, between said annular groove and interior threaded hole, be provided with a plurality of locating columns; These a plurality of locating columns match with a plurality of positioning holes on the connecting sheet, and base is fixed; The lower end of said turncap is provided with an outside thread, and the outside thread of said turncap lower end passes said second through hole and said interior threaded hole is connected, and base is fixed.
4. a kind of sealing assembly structure as claimed in claim 3 is characterized in that also comprising that one has the pad of first through hole, and the lower end of said turncap is passed said first through hole and is connected fixingly with said base, and pad is arranged between turncap and the connecting sheet.
5. a kind of sealing assembly structure as claimed in claim 4 is characterized in that also comprising that one has the electrode slices of filamentary silver, and this electrode slices is provided with the lower end with base; Next door at the locating column of said base is provided with fourth hole, and this filamentary silver passes said fourth hole and is welded on the said connecting sheet.
6. a kind of sealing assembly structure as claimed in claim 5, the opposite side that it is characterized in that said connecting sheet also are provided with the line pin holes of leading, and the groove on the said connecting sheet is a cylinder shape groove.
7. a kind of sealing assembly structure as claimed in claim 6 is characterized in that the set inside of lower end has a cylindrical hole in the set inside one regular hexagon hole of said turncap upper end, and this cylindrical hole is connected with this regular hexagon hole.
8. a kind of sealing assembly structure as claimed in claim 7 is characterized in that being provided with a polygonal hole at a side of said base, and the air in the said suction ball is discharged and sucked through said regular hexagon through hole, cylindrical hole and said polygonal hole.
9. a kind of sealing assembly structure as claimed in claim 1 it is characterized in that the snap fit of the annular buckle of perforate and the said turncap upper end on the said suction ball is an interference fit, and the scope of value of interference fit is between the 2mm to 3mm.
10. a kind of sealing assembly structure as claimed in claim 1, the snap fit that it is characterized in that said annular boss and annular groove is an interference fit, and the scope of value of interference fit is between the 0.1mm to 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203548274U CN202266572U (en) | 2011-09-21 | 2011-09-21 | Sealed assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203548274U CN202266572U (en) | 2011-09-21 | 2011-09-21 | Sealed assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202266572U true CN202266572U (en) | 2012-06-06 |
Family
ID=46157369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203548274U Expired - Lifetime CN202266572U (en) | 2011-09-21 | 2011-09-21 | Sealed assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202266572U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659068A (en) * | 2016-11-22 | 2017-05-10 | 深圳北极之光科技有限公司 | Heat dissipator and manufacture method thereof |
| CN111419228A (en) * | 2020-04-17 | 2020-07-17 | 上海交通大学 | Claw-shaped electroencephalogram electrode device based on hydrogel |
| WO2022028070A1 (en) * | 2019-08-19 | 2022-02-10 | 上海移宇科技股份有限公司 | Body fluid analyte detection device |
-
2011
- 2011-09-21 CN CN2011203548274U patent/CN202266572U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659068A (en) * | 2016-11-22 | 2017-05-10 | 深圳北极之光科技有限公司 | Heat dissipator and manufacture method thereof |
| WO2022028070A1 (en) * | 2019-08-19 | 2022-02-10 | 上海移宇科技股份有限公司 | Body fluid analyte detection device |
| CN111419228A (en) * | 2020-04-17 | 2020-07-17 | 上海交通大学 | Claw-shaped electroencephalogram electrode device based on hydrogel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |